Should be okay to remove. The policy was intended for configs that continue to be relevant like mapred.child.java.opts. In this case, since there is no TaskTracker anymore, leaving this config purely for compat reasons seems unnecessary. We could also improve the policies to clarify this.
On Thu, Apr 9, 2015 at 4:33 AM, Akira AJISAKA <ajisa...@oss.nttdata.co.jp> wrote: > Hi Folks, > > In MAPREDUCE-6307, I'd like to remove unused "mapreduce.tasktracker. > taskmemorymanager.monitoringinterval" property, however, the > compatibility document says "Hadoop-defined properties are to be deprecated > at least for one major release before being removed." > > http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/ > hadoop-common/Compatibility.html#Hadoop_Configuration_Files > > Is it applicable for unused properties? > Can we remove unused properties right now? > > Regards, > Akira > -- Karthik Kambatla Software Engineer, Cloudera Inc. -------------------------------------------- http://five.sentenc.es
